1; RUN: opt %loadNPMPolly -polly-parallel '-passes=polly-opt-isl,print<polly-ast>' -disable-output -debug-only=polly-ast < %s 2>&1 | FileCheck --check-prefix=AST %s 2; RUN: opt %loadNPMPolly -polly-parallel '-passes=polly-opt-isl,polly-codegen' -S < %s | FileCheck --check-prefix=CODEGEN %s 3; REQUIRES: asserts 4 5; Parallelization of detected matrix-multiplication. 6; Currently, this is not supported. Due to Packed_A/Packed_B not private 7; per-thread the outer loops cannot be parallelized and a 8; '#pragma omp parallel for' on an inner loop may impose too much overhead. 9 10target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 11target triple = "x86_64-pc-windows-msvc19.16.27034" 12 13define i32 @foo(ptr nocapture readonly %A, ptr nocapture readonly %B, ptr nocapture %C) { 14entry: 15 br label %entry.split 16 17entry.split: 18 br label %for.cond1.preheader 19 20for.cond1.preheader: 21 %indvars.iv50 = phi i64 [ 0, %entry.split ], [ %indvars.iv.next51, %for.cond.cleanup3 ] 22 br label %for.cond5.preheader 23 24for.cond.cleanup: 25 ret i32 0 26 27for.cond5.preheader: 28 %indvars.iv47 = phi i64 [ 0, %for.cond1.preheader ], [ %indvars.iv.next48, %for.cond.cleanup7 ] 29 %arrayidx10 = getelementptr inbounds [1536 x float], ptr %C, i64 %indvars.iv50, i64 %indvars.iv47 30 br label %for.body8 31 32for.cond.cleanup3: 33 %indvars.iv.next51 = add nuw nsw i64 %indvars.iv50, 1 34 %exitcond52 = icmp eq i64 %indvars.iv.next51, 1536 35 br i1 %exitcond52, label %for.cond.cleanup, label %for.cond1.preheader 36 37for.cond.cleanup7: 38 %indvars.iv.next48 = add nuw nsw i64 %indvars.iv47, 1 39 %exitcond49 = icmp eq i64 %indvars.iv.next48, 1536 40 br i1 %exitcond49, label %for.cond.cleanup3, label %for.cond5.preheader 41 42for.body8: 43 %indvars.iv = phi i64 [ 0, %for.cond5.preheader ], [ %indvars.iv.next, %for.body8 ] 44 %0 = load float, ptr %arrayidx10, align 4 45 %arrayidx14 = getelementptr inbounds [1536 x float], ptr %A, i64 %indvars.iv50, i64 %indvars.iv 46 %1 = load float, ptr %arrayidx14, align 4 47 %arrayidx18 = getelementptr inbounds [1536 x float], ptr %B, i64 %indvars.iv, i64 %indvars.iv47 48 %2 = load float, ptr %arrayidx18, align 4 49 %mul = fmul float %1, %2 50 %add = fadd float %0, %mul 51 store float %add, ptr %arrayidx10, align 4 52 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 53 %exitcond = icmp eq i64 %indvars.iv.next, 1536 54 br i1 %exitcond, label %for.cond.cleanup7, label %for.body8 55} 56 57 58; AST-NOT: parallel 59 60; CODEGEN-NOT: subfunc 61